In depth comparison and review of Alcatel Idol 4 and LG K40. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Alcatel Idol 4 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 147 mm | 153 mm | LG K40 has greater height than Alcatel Idol 4. |
| Width | 72.5 mm | 71.9 mm | Alcatel Idol 4 has greater width than LG K40. |
| Depth | 7.1 mm | 8.3 mm | Alcatel Idol 4 is narrower than Alcatel Idol 4. |
| Weight | 135 g | 145 g | Alcatel Idol 4 is lighter than Alcatel Idol 4. |
| Body Colour | Metallic silver | New Aurora Black | Moroccan blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Alcatel Idol 4 | LG K40 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.2" | 5.7" | LG K40 has larger screen size than Alcatel Idol 4. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | Alcatel Idol 4 has better screen resolution than LG K40. |
| Display Format | Full HD | HD | |
| Pixel Density | - | 282 ppi | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Curved glass, FullVision display |
| PROCESSOR | Alcatel Idol 4 | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm | MediaTek | |
|---|---|---|---|
| Processor Number | MSM8952 | MT6762 | |
| Clock Speed | 1.7 GHz | 2 GHz | LG K40 has higher clock speed than Alcatel Idol 4. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | LG K40 has 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Alcatel Idol 4 | LG K40 |
|---|
| RAM | 3 GB | 2 GB | Alcatel Idol 4 has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | LG K40 has more internal memory than Alcatel Idol 4. |
| User Memory | 10 GB | 20.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Alcatel Idol 4 | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | LG K40 has better camera resolution than Alcatel Idol 4. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | - | F/2.0 | |
| Lens Construction | 6-element | - | |
| Pixel Size | - | 1 μm | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode, Instant shot | - | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | - | F/2.0 | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | Portrait mode | |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | Alcatel Idol 4 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 2610 mAh | 3000 mAh | LG K40 has larger battery capacity than Alcatel Idol 4. |
|---|---|---|---|
| Recharge Time (Charging Time) | 120 min | - | |
| Standby Time | - | 100 hours | |
| Talk Time | - | 480 minutes | |
| Run Time Details | - | Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Alcatel Idol 4 | LG K40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 8.1 Oreo | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS |
| COMMUNICATIONS | Alcatel Idol 4 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | - | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Alcatel Idol 4 | LG K40 |
|---|
| Supported Digital Audio Standards | WAV, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, AAC +, MIDI | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | AVC, MPEG-4, H.264, H.263, HEVC, VP8, VP9 | - | |
| Sound Enhancements | Hi-Fi Sound support | DTS: X 3D Premium Sound |
| FEATURES | Alcatel Idol 4 | LG K40 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | - | Ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Radio Data Service (RDS), HD Voice, Dual noise reduction microphones | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | Alcatel Idol 4 | LG K40 |
|---|
| Included Accessories | Stereo headset, USB cable, power adapter, SIM card removal tool, Virtual Reality Googles | Power adapter | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | MIL-STD 810G |
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